217179794

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{491357}}^1$

素因数の和:491389

約数の個数: 16

約数和(自身を含む): 371466648

約数和(自身を除く): 154286854

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 491357, 982714, 6387641, 8353069, 12775282, 16706138, 108589897, 217179794]

約数ペア:

[(1, 217179794), (2, 108589897), (13, 16706138), (17, 12775282), (26, 8353069), (34, 6387641), (221, 982714), (442, 491357)]